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Licensed Insulation Contractors in Riverside, California

Updated November 1, 2026 from CSLB's public license file · C-2 Insulation and Acoustical Contractor

  • 25licensed insulation contractors
  • 25active (Clear)
  • 0%with a suspension
  • 24%workers' comp exempt
  • 7.7 yrsmedian time licensed
  • 84%corp / LLC / partnership (16% sole owner)
  • 1new in the last 12 months
  • —change tracking began November 1, 2026

CSLB's public data lists 25 insulation contractors with a mailing address in Riverside, and 25 of them (100%) show a Clear primary status.

24% report a workers' comp exemption, 1.6 points higher than the statewide figure for insulation contractors (22.4%), so many of these businesses say they have no employees. The share with a suspension, 0%, is 3.9 points lower than the Riverside County rate for the same license (3.9%).

1 of these licenses is less than a year old, while 44% have been held for 10 years or more. The median is 7.7 years.

In California this work generally calls for the C-2 Insulation and Acoustical Contractor license (or a B license when it is part of a larger multi-trade job). See the C-2 Insulation and Acoustical Contractor guide for what the license covers.

How to check an insulation contractor's license in Riverside

  1. Find the business in the list below, or search all 25 Riverside listings, and open its profile. You want a Clear status and the C-2 classification (a B license can also cover it as part of a multi-trade job).
  2. Confirm it live with CSLB's Instant License Check. Statuses change between our weekly refreshes, especially workers' comp and bond suspensions.
  3. Get the bid and contract in writing with the license number on it. If the job tops $1,000 in labor and materials, a licensed insulation contractor is required by law. See the $1,000 rule.

All 25 insulation contractors in Riverside

Riverside insulation contractors sorted with Clear licenses first, then by years licensed. Badges reflect CSLB's file dated November 1, 2026, not a rating of anyone's work.

Licensed insulation contractors in Riverside
Business nameLicense #StatusYearsWorkers' compBond
Hasco Heating Airconditioning Service Company INC 519360 Clear 39 Insured On file
National Paving Company INC 583376 Clear 36 Insured On file
J Francis Company 585103 Clear 36 Insured On file
Berry Roofing INC 691947 Clear 32 Insured On file
Wilson Acoustical Ceilings 699454 Clear 31 Insured On file
Accurate Acoustics INC 756641 Clear 27 Insured On file
Empyrean Plumbing INC 879157 Clear 20 Insured On file
Campos Construction 892221 Clear 19 Exempt On file
A2z Home Improvement Construction CO 937240 Clear 17 Insured On file
Gta Drywall INC 958980 Clear 15 Insured On file
M A Acoustics 993758 Clear 12 Insured On file
Ondatje Contracting INC 1026836 Clear 9 Insured On file
My Insulation Guy INC 1049977 Clear 7 Insured On file
Ecm Acoustic 1058212 Clear 7 Exempt On file
Innovated Acoustics Corp 1058140 Clear 7 Exempt On file
R & R Group INC 1071598 Clear 5 Exempt On file
Skynet Acoustics 1081195 Clear 5 Exempt On file
Next Level Insulation 1101777 Clear 3 Insured On file
Your Insulation Specialist INC 1101740 Clear 3 Insured On file
Orkin Insulation Services 1124938 Clear 2 Insured On file
Acoustic Interior Solutions 1129495 Clear 1 Insured On file
Nas Acoustics INC 1143908 Clear 1 Insured On file
Contractors Insul Material Services 1145266 Clear 1 Insured On file
Oc Insulation 1145033 Clear 1 Exempt On file
Valle Insulation INC 1162969 Clear <1 Insured On file

Source: CSLB public data · Updated November 1, 2026 Status can change at any time. Verify on CSLB's Instant License Check.

Frequently asked questions

How many licensed insulation contractors are in Riverside?

CSLB's current public file lists 25 insulation contractors with a Riverside mailing address. 25 have a Clear status, and 96% show no issues at all in the file (no suspension, no pending action, bond on file, not near expiration).

What license does an insulation contractor need in California?

In California this work generally calls for the C-2 Insulation and Acoustical Contractor license (or a B license when it is part of a larger multi-trade job). Any job of $1,000 or more in labor and materials needs a licensed contractor. Read our guide to the $1,000 rule.

How do I check an insulation contractor's workers' comp?

Each profile shows the workers' comp type, insurer and policy dates from CSLB's file. Among Riverside insulation contractors, 24% are exempt (no employees), 76% insured and 0% without current coverage. Verify a policy with CSLB's insurer search (step by step).

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Guides